Many spyware is installed without the user’s understanding or consent. Once set up, the keylogger spyware monitors user activity on the Web and transmits that info to another person or types of spy apps (writes in the official www.edocr.com blog) entity. Some spyware programs can track the user’s keystrokes, gather individual information (such as charge card numbers and passwords), and even record conversations.
Some spyware is set up as part of a Trojan horse program or spyware trojan [Controlc.com] other harmful software. A user might be tricked into clicking on a link that downloads spyware onto their computer. Once set up, the spyware can keep an eye on web browsing activity and even record personal information.
The majority of anti-virus programs can discover and remove spyware. However, because spyware can be set up without the user’s understanding or permission, it can be hard to eliminate and detect.